F03.9

Non-billable

Unspecified dementia, unspecified severity

F03.9 is the ICD-10-CM code for Unspecified dementia, unspecified severity. It is a non-billable category code — use a more specific child code such as F03.90 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Parent
F03
Subcodes
5
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

What this means — in plain language

MedlinePlus · NIH

What is dementia? Dementia is a loss of mental functions that is severe enough to affect your daily life and activities. These functions include: Memory Language skills Visual perception (your ability to make sense of what you see) Problem solving Trouble with everyday tasks The ability to focus and pay attention It is normal to become a bit more forgetful as you age. But dementia is not a normal part of aging. It…

Read more about Dementia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code F03.9?
F03.9 is the ICD-10-CM code for "Unspecified dementia, unspecified severity". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F03.9 a billable code?
No — F03.9 is a non-billable header code. Use a more specific child code (such as F03.90) for billing.
What are the subcodes of F03.9?
F03.9 has 5 more specific child codes, including F03.90, F03.91, F03.92.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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